CodeError returns the error associated with the code.

ConvertErr returns the error of converting result.

ConvertRet returns the result of converting error.

CheckIdempotentFail is returned when idempotent check fails.

CommParamInvalid is returned when a parameter is invalid.

DelayProduceFail is returned when producer fails.

EventCancel is returned when event cancel.

ProduceFail is returned when producer fails.

SystemErr is returned when system error.

TxCommittedFail is returned when tx commit fails.

TxProduceFail is returned when tx producer fails.

TxRolledBackFail is returned when tx rollback fails.

TxUnRegistered is returned when tx unregistered.